EP 0301446 B1 19920916 - PROCESS FOR THE PRODUCTION OF CARBOXYLIC-ACID HALIDES
Title (en)
PROCESS FOR THE PRODUCTION OF CARBOXYLIC-ACID HALIDES
Publication
Application
Priority
DE 3725428 A 19870731
Abstract (en)
[origin: US4863641A] Preparation of acyl halides (I) by the reaction of halides of secondary or tertiary radicals derived from non-aromatic hydrocarbons (II) with carbon monoxide under elevated pressure in the presence of catalytic amounts of a Lewis acid, the catalyst consisting of a mixture of alkylaluminum halides corresponding to the general formula (III), Rn-Al-X3-n (III) where R is an alkyl radical of from 1 to 8 carbon atoms, X is halogen, and n is an average whose valve is from 0.5 to 2.5.
IPC 1-7
IPC 8 full level
C07B 61/00 (2006.01); B01J 31/14 (2006.01); C07B 31/00 (2006.01); C07B 41/10 (2006.01); C07C 51/00 (2006.01); C07C 51/58 (2006.01); C07C 53/42 (2006.01); C07C 67/00 (2006.01)
CPC (source: EP US)
C07C 51/58 (2013.01 - EP US)
Designated contracting state (EPC)
BE DE ES FR GB IT NL
DOCDB simple family (publication)
EP 0301446 A2 19890201; EP 0301446 A3 19900718; EP 0301446 B1 19920916; DE 3725428 A1 19890209; DE 3874644 D1 19921022; ES 2034054 T3 19930401; JP S6450826 A 19890227; US 4863641 A 19890905
DOCDB simple family (application)
EP 88111907 A 19880723; DE 3725428 A 19870731; DE 3874644 T 19880723; ES 88111907 T 19880723; JP 18855688 A 19880729; US 22683488 A 19880801